captcha without GD

[monkey_magix]

Hi,

 

Just wondering what people are using for Captcha if they don't have GD compiled for their php version on their server?

 

I'm a bit stuck as my server doesn't have GD or FreeType.

 

Many thanks

 

Dan

[Glyde]

I have read about some people using textual based numbers, i.e. replacing 55604 with fifty-thousand six hundred and four.  Also you could do something like this:

 

Each number (0-9) has its own image file, with some random name such as: a4gB6jf5bzloS563.jpg.  Every few times your script is loaded, it renames those files each to something different, so there are never any consistent names.  Then on your page you could just use <img> tags to display them side-by-size.

[monkey_magix]

Sounds like a good idea, do you have an example to hand? :-)

[tippy_102]

I googled "captcha without gd" and this was the first link:

Textual Number for Anti-Spam PHP4 Compatible (Captcha without GD)

http://www.nshb.net/node/92

[kevingarnett2000]

You could use a web service for that:

http://www.trynt.com/trynt-captcha-api/

 

You would need to have curl in order to communicate to the service

[monkey_magix]

I googled "captcha without gd" and this was the first link:

Textual Number for Anti-Spam PHP4 Compatible (Captcha without GD)

http://www.nshb.net/node/92

 

yeah but i didn't fancy that one as the article itself has been spammed...

[boo_lolly]

check out this class: http://www.phpclasses.org/browse/package/3769.html

 

and check out the last function at the bottom of the page here: http://us2.php.net/manual/en/function.strval.php